Articles with "brightness" as a keyword



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Highly Efficient Flexible Organic Light Emitting Transistor Based on High‐k Polymer Gate Dielectric

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Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.201901651

Abstract: In this work, the multilayer organic light emitting transistors (OLETs) based on high‐k polymer crosslinked poly(vinyl alcohol) (C‐PVA) as the dielectric layer are studied. The devices show an excellent brightness of 14 500 cd m−2… read more here.

Keywords: organic light; light emitting; based high; brightness ... See more keywords
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Incorporation of Robust NIR‐II Fluorescence Brightness and Photothermal Performance in a Single Large π‐Conjugated Molecule for Phototheranostics

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Published in 2022 at "Advanced Science"

DOI: 10.1002/advs.202204695

Abstract: Second near‐infrared (NIR‐II, 1000–1700 nm) window fluorescence imaging‐guided photothermal therapy probes are promising for precise cancer phototheranostics. However, most of the currently reported probes do not demonstrate high NIR‐II fluorescent brightness (molar absorption coefficient (ε)… read more here.

Keywords: photothermal performance; large conjugated; molecule; conjugated molecule ... See more keywords
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Cuckoo search algorithm-based brightness preserving histogram scheme for low-contrast image enhancement

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Published in 2020 at "Soft Computing"

DOI: 10.1007/s00500-019-03992-7

Abstract: This paper introduces a novel optimized brightness preserving histogram equalization approach to preserve the mean brightness and to improve the contrast of low-contrast image using cuckoo search algorithm. Traditional histogram equalization scheme induces extreme enhancement… read more here.

Keywords: brightness; cuckoo search; brightness preserving; image ... See more keywords
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Mixed complex brightness integrals

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Published in 2019 at "Positivity"

DOI: 10.1007/s11117-019-00665-5

Abstract: The notion of the mixed brightness was first introduced by Lutwak. Recently, Abardia and Bernig presented complex projection bodies. Based on this notion, we define the mixed complex brightness integrals and establish related Aleksandrov–Fenchel inequality,… read more here.

Keywords: mixed complex; inequality; complex brightness; brightness ... See more keywords
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Ultrasonography to detect age-related changes in swallowing muscles

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Published in 2019 at "European Geriatric Medicine"

DOI: 10.1007/s41999-019-00223-y

Abstract: To measure age-related changes in swallowing muscles by ultrasonography as a non-invasive method. By ultrasonography, we found that old people had a smaller geniohyoid muscle area and greater geniohyoid muscle brightness than young people. Our… read more here.

Keywords: geniohyoid muscle; muscle; age; brightness ... See more keywords
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The universal and automatic association between brightness and positivity.

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Published in 2018 at "Acta psychologica"

DOI: 10.1016/j.actpsy.2018.04.007

Abstract: The present study investigates the hypothesis that brightness of colors is associated with positivity, postulating that this is an automatic and universal effect. The Implicit Association Test (IAT; Greenwald, McGhee, & Schwartz, 1998) was used… read more here.

Keywords: association brightness; brightness; brightness positivity; study ... See more keywords
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Evaluation of solar brightness distribution models for performance simulation and optimization of solar dish

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Published in 2019 at "Energy"

DOI: 10.1016/j.energy.2019.05.081

Abstract: Abstract The solar brightness model is widely applied in modeling and optimization of concentrated solar energy system. In this paper, the influence of various solar brightness models on the solar dish system are evaluated. The… read more here.

Keywords: solar dish; optimization; brightness; solar brightness ... See more keywords
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Long-term variations of noctilucent clouds at ALOMAR

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Published in 2017 at "Journal of Atmospheric and Solar-Terrestrial Physics"

DOI: 10.1016/j.jastp.2016.08.006

Abstract: Abstract Noctilucent clouds (NLC) are measured by the Rayleigh/Mie/Raman-lidar at the ALOMAR research facility in Northern Norway (69°N, 16°E) since 1994. The data set contains about 2860 h of NLC detections and is investigated for the… read more here.

Keywords: dec; long term; brightness; noctilucent clouds ... See more keywords
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Distribution of cloudiness and categorization of rainfall types based on INSAT IR brightness temperatures over Indian subcontinent and adjoining oceanic region during south west monsoon season

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Published in 2017 at "Journal of Atmospheric and Solar-Terrestrial Physics"

DOI: 10.1016/j.jastp.2017.06.017

Abstract: Abstract To understand the relationship between rain intensity and brightness temperature, Cloud Top Brightness Temperature (CTBT) derived from INSAT three hourly IR radiances having a resolution of 0.25 × 0.25 deg. is compared with corresponding TRMM PR… read more here.

Keywords: indian subcontinent; brightness; south west; monsoon ... See more keywords
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Quantum yield and brightness

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Published in 2020 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2020.117256

Abstract: Abstract Brightness has different meaning in different contexts and some of these are reviewed. The scientific definition of brightness does not represent our perception. The current definition is that from the IUPAC Gold Book and… read more here.

Keywords: definition; quantum yield; brightness; yield brightness ... See more keywords
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The influence of crystal modifiers on the crystallinity, particle morphology and brightness of precipitated calcite powders hydrothermally prepared from black marble waste

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Published in 2020 at "Powder Technology"

DOI: 10.1016/j.powtec.2020.07.002

Abstract: Abstract Calcite powders were prepared from black marble waste by milling and alkaline hydrothermal processes. Crystal modifiers including two sulfates and an organophosphate chelator were used to study their effects on the crystallinity and particle… read more here.

Keywords: black marble; prepared black; crystal modifiers; brightness ... See more keywords